Public domain photos

The image shows an old map of the city of San Francisco, California, depicting the plan of the Roman Fort on the Antoine Vallum at Roughcastle. The map is printed on a paper with text detailing the various features of the fort, such as its walls, towers, and other structures.

The image shows an old map of the city of San Francisco, California, depicting the plan of the Roman Fort on the Antoine Vallum at Roughcastle. The map is printed on a paper with text detailing the various features of the fort, such as its walls, towers, and other structures.Open in library